Read the text and fill in the gaps with the words from the list below.
Use each word only once: Заполнить пробелы в тексте словами по
смыслу.
(title, invention, term, system, inventor, unique, device, definition)
In common usage the 1) invention is applied only to the production
of new materials or operable devices, and the term 2) is applied to a
person who has produced a new 3) or material. Less frequently, the
term 4) is applied to a new procedure; thus a person may be said to
have invented a new game or a new 5) of accounting. Under strict
definition, however, anything produced by humans that is new and 6)
is an invention; this 7) was recognized by Johann
Sebastian Bach, who gave the 8) Inventions to a series of his short
keyboard compositions.